Brexit: What does it mean for you?

How will pensions, mortgages & house prices be affected by Brexit?

There’s nothing to stop a post-Brexit Government giving £100m more a week to the NHS but other areas also require funding

The AA said that most of the fuel industry would welcome an official regulator so that there was clarity over prices.

And it said that a supermarket price war had led to lower prices in some towns.

But an AA spokesman said the picture has been complicated by price of oil going up and down in recent weeks, moving between $50 and $45 a barrel.

And it said the weakness of the pound compared to this time last year meant petrol costs 5ppl more than if sterling had held its value.

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Prices have not fallen in line with decreased wholesale costs

The spokesman said: “Under the normal rule of thumb that would be worth at least a cut of 2ppl but there has been a lot of volatility in prices made worse by the weaker pound.”

The Treasury cited analysis by the Institute for Fiscal Studies showing that the average real cost of motoring for new cars is lower than at any time since 1997 due to fuel efficiency improvements and lower pump prices.

A Treasury spokesman said: “We’re determined to help families and businesses with the cost of running a vehicle, which is why we froze fuel duty again in this year’s budget – the longest duty freeze for 40 years - saving drivers around £8 every time they fill up their tank.

“We keep all taxes under review and any announcements on taxes are made at the Autumn Statement or the Budget.”